Monroe County, Florida Demographics 2026

Name: Monroe County, Florida Demographics
Creator: U.S. Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

Monroe County, Florida has a population of 81,860, the 39th most populous county in Florida. The median household income is $87,738 and the median home value is $780,600. The poverty rate is 10.7%.

Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes

Monroe County Quick Facts

Population 81,860

Median Household Income $87,738

Median Home Value $780,600

Poverty Rate 10.7%

Unemployment Rate 2.9%

Median Age 49.2 years

Homeownership Rate 65.8%

Affordability Ratio 8.9x

Bachelor's Degree+ 38.6%

High School Graduation 93.1%

Cities/Places 13

Population 81,860 39th of 67

Median Income $87,738 18% higher than state

Poverty Rate 10.7%

Unemployment 2.9%

How Monroe County Changed

Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.

Metric	2019–2023	2020–2024	Change
Population	81,840	81,860	+0.0%
Median household income	$82,430	$87,738	+6.4%
Median home value	$723,800	$780,600	+7.8%

Median Household Income

Monroe

$87,738

$74,568

National

$80,734

Median Home Value

Monroe

$780,600

$359,000

National

$332,700

Economy & Housing

Household Income Distribution

Under $25K 12.4%

$25K-$50K 15.3%

$50K-$100K 27.2%

$100K+ 45.1%

Detailed income brackets

Under $10K

4.4%

$10K-$15K

2.6%

$15K-$20K

2.3%

$20K-$25K

3.0%

$25K-$30K

2.8%

$30K-$35K

2.9%

$35K-$40K

2.7%

$40K-$45K

3.8%

$45K-$50K

3.2%

$50K-$60K

6.4%

$60K-$75K

9.3%

$75K-$100K

11.5%

$100K-$125K

8.6%

$125K-$150K

9.1%

$150K-$200K

11.1%

$200K+

16.3%

Employment

2.9% Unemployment Rate State: 4.8%|National: 5.2%

62.6% Labor Force Participation

Housing Overview

Owner 65.8%

Renter 34.2%

Affordability Index Very Expensive

8.9x home value to income ratio

Median gross rent $1,999/mo 27.3% of median household income annually

People & Demographics

Age Distribution

Under 18

15.7%

18-34

16.8%

35-54

26.0%

55-74

31.1%

75+

10.4%

Race & Ethnicity

Diversity Index

Moderate Diversity

Moderate diversity with one or two groups making up the majority.

State average: 65 | National average: 61

Education

Educational Attainment (Adults 25+)

Cities & Places in Monroe County

City	Population	Median Income	Poverty	Home Value
Key West	25,720	$87,037	10.9%	$852,400
Key Largo	13,026	$85,778	9.9%	$643,900
Marathon	9,914	$89,355	13.4%	$725,800
Islamorada	7,068	$87,222	6.9%	$919,600
Big Pine Key	4,258	$110,134	10.7%	$637,000
Stock Island	4,162	$65,515	11.5%	$517,500
Big Coppitt Key	3,109	$105,139	4.7%	$534,500
Cudjoe Key	2,492	$87,500	8.6%	$857,400
Tavernier	2,413	$50,256	17.6%	$613,700
North Key Largo	1,808	$149,605	28.1%	$2,000,000+
Duck Key	647	$156,719	13.0%	$1,051,000
Key Colony Beach	511	$94,231	8.2%	$919,800
Layton	118	$149,583	5.1%	$842,400

Explore Florida Rankings

Cities by Population All cities ranked by size Richest Cities Ranked by median income Most Educated By bachelor's degree rate Most Affordable By housing affordability

Population Overview

Monroe County is located in Florida with a total population of 81,860. It is the 39th most populous county out of 67 in Florida. The county encompasses 13 Census-designated places.

Age Demographics

The median age in Monroe County is 49.2 years. This is 15% higher than the state median of 42.6 years. 10.4% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.

Economy, Income & Housing

The median household income in Monroe County is $87,738. This is 18% higher than the state median of $74,568. It is also 9% higher than the national median of $80,734. The poverty rate stands at 10.7%. This is 15% lower than the state poverty rate of 12.6%. The unemployment rate is 2.9%. This is 39% lower than the state rate of 4.8%. The median home value is $780,600. Housing costs are 117% higher than the state median of $359,000. The home-value-to-income ratio of 8.9x suggests that housing affordability is a significant concern for many residents. 65.8% of occupied housing units are owner-occupied. This homeownership rate is 3% lower than the state average of 67.6%.

Race & Ethnicity

The largest racial or ethnic group in Monroe County is White (non-Hispanic), making up 63.7% of the population. Hispanic or Latino residents account for 24.6%. The Black or African American population (6.8%) is well below the state average of 14.6%. The Asian population (1.1%) is well below the state average of 2.9%.

Education

38.6% of residents aged 25 and older hold a bachelor's degree or higher. This is 13% higher than the state rate of 34.2%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 93.1%. Notably, 15.3% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All figures for Monroe County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Florida and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.

Frequently Asked Questions

What is the population of Monroe County, Florida?

Monroe County has a population of 81,860, making it the 39th most populous county in Florida.

What is the median income in Monroe County?

The median household income in Monroe County is $87,738 with a poverty rate of 10.7%.

How many cities are in Monroe County, Florida?

Monroe County contains 13 Census-designated places.